﻿using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using System.Windows.Data;
using VAdvantage.Model;

namespace VAdvantage.Grids
{
    public class ComboValueToText:IValueConverter,IDisposable
    {
        private Model.Lookup _lookUp = null;

        public Lookup DataSource
        {
            set
            {
                _lookUp = value;
            }
        }

        public ComboValueToText()
        {
        }

        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            if (value == null)
            {
                return value;
            }

            if (_lookUp != null)
            {
                bool found = false;
                if (_lookUp.IsValidated())
                {
                    Model.NamePair nm =  _lookUp.GetFromValidatedList(value);
                    if (nm != null)
                        {
                            value =  nm.GetName();
                            found = true;
                        }
                }

               if(!found)// && !value.Equals(0) )
               value   =   _lookUp.GetDisplayFromList(value);
            }
            //if (value.ToString().StartsWith("<"))
            //    return "";
            return value;
        }

        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            //throw new NotImplementedException();
            return value;
        }

        public void Dispose()
        {
            _lookUp = null;
        }
    }
}
